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Finding the Fourth Proportional to 372,062.15, 513,442.15 and 202,296.27

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Solution

The fourth proportional to 372,062.15, 513,442.15 and 202,296.27 is: 279,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,062.15 : 513,442.15 = 202,296.27 : x
  2. Step 2: Convert to fraction form
    372,062.15/513,442.15 = 202,296.27/x
  3. Step 3: Cross multiply
    372,062.15x = 513,442.15 × 202,296.27
  4. Step 4: Simplify right side
    372,062.15x = 103,867,431,805.78
  5. Step 5: Solve for x
    x = 103,867,431,805.78/372,062.15
  6. Step 6: Final answer
    x = 279,166.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.